Paludina, [XII.] 8, 9.

Pandora, [II.] 2, 3.

Panopæa, [I.] 21, 21*.

Patella, [X.] 18-21.

Pecten, [IX.] 1-16.

Pectunculus, [VIII.] 13.

Petricola, [I.] 17.

Phasianella, [XI.] 27.

Philine, [XX.] 20-25.

Pholas, [I.] 8-11, 13.